要求：给下列单词加上前缀，使之表达的意思与原来相反并翻译。
Did Linda see the traffic accident?—No, no sooner ______ than it happened.
A. had she gone
B. she had gone
C. has she gone
D. she has gone
Little __________ that we were watching his every move, so he seemed to be going his own way in this business.
A. he realized
B. be didn’t realize
C. didn’t he realize
D. did he realize
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